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commit bash-20110311 snapshot

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Chet Ramey
2011-12-29 13:05:08 -05:00
parent 40647963e2
commit d9e1f41e7f
49 changed files with 13947 additions and 12188 deletions
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doc/builtins.0
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@@ -395,13 +395,13 @@ BBAASSHH BBUUIILLTTIINN CCOOMMMMAANNDDSS
the exceptions that ++aa may not be used to destroy an array vari-
able and ++rr will not remove the readonly attribute. When used
in a function, makes each _n_a_m_e local, as with the llooccaall command,
unless the --ggPP ooppttiioonn iiss ssuupppplliieedd,, IIff aa vvaarriiaabbllee nnaammee iiss ffooll--
lloowweedd bbyy ==_v_a_l_u_e,, tthhee vvaalluuee ooff tthhee vvaarriiaabbllee iiss sseett ttoo _v_a_l_u_e.. TThhee
rreettuurrnn vvaalluuee iiss 00 uunnlleessss aann iinnvvaalliidd ooppttiioonn iiss eennccoouunntteerreedd,, aann
aatttteemmpptt iiss mmaaddee ttoo ddeeffiinnee aa ffuunnccttiioonn uussiinngg ````--ff ffoooo==bbaarr'''',, aann
aatttteemmpptt iiss mmaaddee ttoo aassssiiggnn aa vvaalluuee ttoo aa rreeaaddoonnllyy vvaarriiaabbllee,, aann
aatttteemmpptt iiss mmaaddee ttoo aassssiiggnn aa vvaalluuee ttoo aann aarrrraayy vvaarriiaabbllee wwiitthhoouutt
uussiinngg tthhee ccoommppoouunndd aassssiiggnnmmeenntt ssyynnttaaxx ((sseeee AArrrraayyss above), one of
unless the --gg option is supplied, If a variable name is followed
by =_v_a_l_u_e, the value of the variable is set to _v_a_l_u_e. The
return value is 0 unless an invalid option is encountered, an
attempt is made to define a function using ``-f foo=bar'', an
attempt is made to assign a value to a readonly variable, an
attempt is made to assign a value to an array variable without
using the compound assignment syntax (see AArrrraayyss above), one of
the _n_a_m_e_s is not a valid shell variable name, an attempt is made
to turn off readonly status for a readonly variable, an attempt
is made to turn off array status for an array variable, or an
@@ -654,7 +654,8 @@ BBAASSHH BBUUIILLTTIINN CCOOMMMMAANNDDSS
--mm Display the description of each _p_a_t_t_e_r_n in a manpage-like
format
--ss Display only a short usage synopsis for each _p_a_t_t_e_r_n
The return status is 0 unless no command matches _p_a_t_t_e_r_n.
The return status is 0 unless no command matches _p_a_t_t_e_r_n.
hhiissttoorryy [[_n]]
hhiissttoorryy --cc
@@ -956,20 +957,22 @@ BBAASSHH BBUUIILLTTIINN CCOOMMMMAANNDDSS
greater than 128), or an invalid file descriptor is supplied as
the argument to --uu.
rreeaaddoonnllyy [--aaAAppff] [_n_a_m_e[=_w_o_r_d] ...]
rreeaaddoonnllyy [--aaAAff] [--pp] [_n_a_m_e[=_w_o_r_d] ...]
The given _n_a_m_e_s are marked readonly; the values of these _n_a_m_e_s
may not be changed by subsequent assignment. If the --ff option
is supplied, the functions corresponding to the _n_a_m_e_s are so
marked. The --aa option restricts the variables to indexed
arrays; the --AA option restricts the variables to associative
arrays. If no _n_a_m_e arguments are given, or if the --pp option is
supplied, a list of all readonly names is printed. The --pp
option causes output to be displayed in a format that may be
reused as input. If a variable name is followed by =_w_o_r_d, the
value of the variable is set to _w_o_r_d. The return status is 0
unless an invalid option is encountered, one of the _n_a_m_e_s is not
a valid shell variable name, or --ff is supplied with a _n_a_m_e that
is not a function.
arrays. If both options are supplied, --AA takes precedence. If
no _n_a_m_e arguments are given, or if the --pp option is supplied, a
list of all readonly names is printed. The other options may be
used to restrict the output to a subset of the set of readonly
names. The --pp option causes output to be displayed in a format
that may be reused as input. If a variable name is followed by
=_w_o_r_d, the value of the variable is set to _w_o_r_d. The return
status is 0 unless an invalid option is encountered, one of the
_n_a_m_e_s is not a valid shell variable name, or --ff is supplied with
a _n_a_m_e that is not a function.
rreettuurrnn [_n]
Causes a function to exit with the return value specified by _n.
@@ -1243,13 +1246,13 @@ BBAASSHH BBUUIILLTTIINN CCOOMMMMAANNDDSS
(see previous item) and the effect of interrupting a
command list.
ccoommppaatt4411
@item compat41 If set, bbaasshh, when in posix mode, treats
a single quote in a double-quoted parameter expansion as
a special character. The single quotes must match (an
even number) and the characters between the single
quotes are considered quoted. This is the behavior of
posix mode through version 4.1. The default bash behav-
ior remains as in previous versions.
If set, bbaasshh, when in posix mode, treats a single quote
in a double-quoted parameter expansion as a special
character. The single quotes must match (an even num-
ber) and the characters between the single quotes are
considered quoted. This is the behavior of posix mode
through version 4.1. The default bash behavior remains
as in previous versions.
ddiirrssppeellll
If set, bbaasshh attempts spelling correction on directory
names during word completion if the directory name ini-
@@ -1305,9 +1308,9 @@ BBAASSHH BBUUIILLTTIINN CCOOMMMMAANNDDSS
default.
gglloobbssttaarr
If set, the pattern **** used in a pathname expansion con-
text will match a files and zero or more directories and
subdirectories. If the pattern is followed by a //, only
directories and subdirectories match.
text will match all files and zero or more directories
and subdirectories. If the pattern is followed by a //,
only directories and subdirectories match.
ggnnuu__eerrrrffmmtt
If set, shell error messages are written in the standard
GNU error message format.
@@ -1395,12 +1398,14 @@ BBAASSHH BBUUIILLTTIINN CCOOMMMMAANNDDSS
xxppgg__eecchhoo
If set, the eecchhoo builtin expands backslash-escape
sequences by default.
ssuussppeenndd [--ff]
Suspend the execution of this shell until it receives a SSIIGGCCOONNTT
signal. A login shell cannot be suspended; the --ff option can be
used to override this and force the suspension. The return sta-
tus is 0 unless the shell is a login shell and --ff is not sup-
plied, or if job control is not enabled.
tteesstt _e_x_p_r
[[ _e_x_p_r ]]
Return a status of 0 or 1 depending on the evaluation of the